The Billiken is a copper and iron mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Billiken MRDS details
Site Name
Primary: Billiken
Commodity
Primary: Copper
Primary: Iron
Secondary: Gold
Secondary: Silver
Location
State: Alaska
District: Fairhaven
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Skarn Fe
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Mg-bearing silicate minerals have been serpentinized and phlogopite is well-developed.
Rocks
Role: Host
Age Type: Host Rock
Age in Years: 94.900000+-2.900000
Dating Method: K-Ar
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Magnetite
Gangue: Pyrite
Gangue: Phlogopite
Gangue: Olivine
Gangue: Idocrase
Gangue: Dolomite
Gangue: Diopside
Gangue: Clinohumite
Gangue: Serpentine
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Magnesian iron skarn (Newberry and others, 1997; Cox and Singer, 1986; model 18d)
Comment (Geology): Age = Cretaceous; this deposit is in the east contact zone of the Kugruk pluton, which has yielded a K/Ar age of 94.9 +/- 2.9 Ma (Till and others, 1986, p. A-15).
Comment (Geology): Age = Chron age is for metavolcanic rocks that host the mineralization.
Comment (Reference): Primary Reference = Newberry and others, 1997
Comment (Workings): Workings / Exploration = The general area is extensively mantled with tundra; the prospect was initially explored by core drilling. Some core may still be stored at Independence (BN076).
Comment (Geology): Geologic Description = This magnetite-rich skarn prospect was discovered and core drilled by Placid Oil and Minerals in the mid-1970's. Although tundra cover is extensive in this area, the deposit is well expressed in aeromagnetic data. A large, positive, north-south trending aeromagnetic anomaly over this prospect is about 0.4 mile wide and 2 miles long. The deposit contains massive to brecciated magnetite in dolomite with blebs to stringers of pyrite and chalcopyrite (Hudson and others, 1977). Newberry and others (1997) classify this prospect as a magnesian iron skarn developed in dolomite. It contains clinohumite, olivine, diopside, and idocrase. Serpentine minerals replace diopside and olivine and phlogopite is present. A sample of the skarn contained 0.06 ounces/ton Ag, 0.0003 ounces/ton Au, 0.2 % Cu, 0.02 % Zn, 0.01 % Co, and 45 % Fe (Newberry and others, 1997, Table 2). This deposit is in the east contact zone of the Kugruk pluton, which has yielded a K/Ar age of 94.9 +/- 2.9 Ma (Till and others, 1986, p. A-15).
References
Reference (Deposit): Hudson, T.L., Miller, M. L., and Pickthorn, W. J., 1977, Map showing metalliferous and selected nonmetalliferous mineral deposits, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 77-796-B, 46 p., one sheet, scale 1:1,000,000.
Reference (Deposit): Newberry, R.J., Allegro, G.L., Cutler, S.E., Hagen-Levelle, D.D., Adams, D.D., Nicholson, L.C., Weglarz, T.B., Bakke, A.A., Clautice, K.H., Coulter, G.A., Ford, M.J., Myers, G.L., and Szumigala, D.J., 1997, Skarn deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska: Economic Geology Monograph 9, p. 355-395.
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